1. It is proposed that the drift of the continents was vectored by westward forces. 大陆的漂移被认为是由向西的力造成的。
2. Select a color and you have a vector shape. 选择一种颜色和你有一个载体形状。
3. Synthesize gene and clone the object gene into suitable vector. 合成基因，将目的基因克隆到合适的载体。
英英解释
n.
1. a variable quantity that can be resolved into components
2. a straight line segment whose length is magnitude and whose orientation in space is direction
3. any agent (person or animal or microorganism) that carries and transmits a disease
